The summer of 2015 was Earth’s hottest on record, since record-keeping began in 1880.
The globally averaged temperature over land and ocean surfaces for August 2015 was the warmest August on record, according to the NOAA, 1.58°F warmer than the 20th century average, and surpassing the previous record set in 2014 by 0.16°F.
August 2015 tied with January 2007 as the third warmest monthly highest departure from average for any month.
The combined global average land and ocean surface temperature for January–August was also record warm.
The August average temperature across global land and ocean surfaces was 1.58°F above the 20th century average—the warmest August on record, surpassing the previous record by +0.16°F.
This was the sixth month in 2015 that has broken its monthly temperature record (February, March, May, June, July, and August).
Source: NOAA
